The film is the fourth and final instalment of Roth's unrelated Travel & Punishment quadrilogy that began with his 2002 directorial debut Cabin Fever continued with Hostel I (2005) & II (2007) considered to be one feature and The Green Inferno (2013).

The film was released first at South by Southwest film festival on August 23rd, 2017, IFC midnight on August 25th, 2017 and then theatrically on September 3rd, 2017 and IMAX select theatres, grossing past its' budget and receiving mixed reviews.

Plot

A group of blackmailing elitist arts students along with their two professors come to Rome to perform in a local production, after they gather at the mansion estate for an afterparty, an estate apparently haunted. However in amongst lies and cons many violent threats present themselves, from dangerous local party-goers to the entity of the mansion's mysterious blue room.